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<li class="navelem"><a class="el" href="dir_80876d1476b72d92a9650b7ee3516e4c.html">TeamCurriculumDesign</a></li><li class="navelem"><a class="el" href="dir_3e04d676d81597a8e4919b52d418897c.html">Utils</a></li><li class="navelem"><a class="el" href="dir_d1b1d0e7aa6b0e61496b512bf8d231a9.html">Decorators</a></li>  </ul>
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<div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">//</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment">// Created by lenovo on 2021/8/27.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment">//</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span> </div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="preprocessor">#ifndef TEAMCURRICULUMDESIGN_DECORATOR_H</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="preprocessor">#define TEAMCURRICULUMDESIGN_DECORATOR_H</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span> </div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="preprocessor">#include &lt;vector&gt;</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span> </div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> FUN_RET_TYPE, <span class="keyword">typename</span> ... FUN_ARGS&gt;</div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"><a class="line" href="class_decorator.html">   16</a></span><span class="keyword">class </span><a class="code hl_class" href="class_decorator.html">Decorator</a> {</div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="keyword">protected</span>:</div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span>    <span class="comment">//被装饰的函数</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span>    std::function&lt;FUN_RET_TYPE(FUN_ARGS...)&gt; decorated_func;</div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span>    <span class="keyword">explicit</span> <a class="code hl_class" href="class_decorator.html">Decorator</a>(<span class="keyword">const</span> std::function&lt;FUN_RET_TYPE(FUN_ARGS...)&gt; &amp;p_func) {</div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span>        decorated_func = p_func;</div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span>    }</div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span> </div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span>    <span class="keyword">explicit</span> <a class="code hl_class" href="class_decorator.html">Decorator</a>(FUN_RET_TYPE(*p_func)(FUN_ARGS...)) :</div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span>            <a class="code hl_class" href="class_decorator.html">Decorator</a>(std::function&lt;FUN_RET_TYPE(FUN_ARGS...)&gt;(p_func)) {</div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span>    }</div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="class_decorator.html#a032f3839acef23c4081158aacd157f16">   34</a></span>    <span class="keyword">virtual</span> FUN_RET_TYPE <a class="code hl_function" href="class_decorator.html#a032f3839acef23c4081158aacd157f16">operator()</a>(FUN_ARGS...args) = 0;</div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span>};</div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span> </div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> FUN_RET_TYPE, <span class="keyword">typename</span> ... FUN_ARGS&gt;</div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"><a class="line" href="class_func_timer.html">   43</a></span><span class="keyword">class </span><a class="code hl_class" href="class_func_timer.html">FuncTimer</a> : <span class="keyword">public</span> <a class="code hl_class" href="class_decorator.html">Decorator</a>&lt;FUN_RET_TYPE, FUN_ARGS...&gt; {</div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span>    <span class="comment">//计时器的提示字符串</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span>    std::string tip_str;</div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span>    <span class="keyword">explicit</span> <a class="code hl_class" href="class_func_timer.html">FuncTimer</a>(<span class="keyword">const</span> std::function&lt;FUN_RET_TYPE(FUN_ARGS...)&gt; &amp;p_func, std::string tip_str = <span class="stringliteral">&quot;&quot;</span>)</div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span>            : <a class="code hl_class" href="class_decorator.html">Decorator</a>&lt;FUN_RET_TYPE, FUN_ARGS...&gt;(p_func), tip_str(std::move(tip_str)) {</div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span>    }</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span> </div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span>    <span class="keyword">explicit</span> <a class="code hl_class" href="class_func_timer.html">FuncTimer</a>(FUN_RET_TYPE(*p_func)(FUN_ARGS...), std::string tip_str = <span class="stringliteral">&quot;&quot;</span>)</div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span>            : <a class="code hl_class" href="class_decorator.html">Decorator</a>&lt;FUN_RET_TYPE, FUN_ARGS...&gt;(p_func), tip_str(std::move(tip_str)) {</div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span>    }</div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span> </div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"><a class="line" href="class_func_timer.html#ab6413cfda5c480c1341cd4a67f5cbd16">   56</a></span>    FUN_RET_TYPE <a class="code hl_function" href="class_func_timer.html#ab6413cfda5c480c1341cd4a67f5cbd16">operator()</a>(FUN_ARGS...args)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span>        <span class="comment">//使用函数前记录时间</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span>        <span class="keyword">auto</span> before = std::chrono::system_clock::now().time_since_epoch().count();</div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span>        <span class="comment">//调用函数</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span>        FUN_RET_TYPE result = this-&gt;decorated_func(args...);</div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span>        <span class="comment">//调用函数后记录时间</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span>        <span class="keyword">auto</span> after = std::chrono::system_clock::now().time_since_epoch().count();</div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span>        <span class="comment">//计算时间差并打印</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span>        std::cout &lt;&lt; tip_str &lt;&lt; after - before &lt;&lt; std::endl;</div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span>        <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span>    }</div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span>};</div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span> </div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="preprocessor">#define CalFuncExecTime(content, text) FuncTimer&lt;void *, void *&gt;([&amp;](void *_) -&gt; void * {\</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="preprocessor">    do{content}while(false);\</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="preprocessor">    return nullptr;\</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="preprocessor">}, text)(nullptr)\</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="preprocessor"></span> </div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> FUN_RET_TYPE, <span class="keyword">typename</span> ... FUN_ARGS&gt;</div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"><a class="line" href="class_printer.html">   80</a></span><span class="keyword">class </span><a class="code hl_class" href="class_printer.html">Printer</a> : <span class="keyword">public</span> <a class="code hl_class" href="class_decorator.html">Decorator</a>&lt;FUN_RET_TYPE, FUN_ARGS...&gt; {</div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span>    <span class="keyword">explicit</span> <a class="code hl_class" href="class_printer.html">Printer</a>(std::function&lt;FUN_RET_TYPE(FUN_ARGS...)&gt; p_func) : <a class="code hl_class" href="class_decorator.html">Decorator</a>&lt;FUN_RET_TYPE, FUN_ARGS...&gt;(p_func) {</div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span>    }</div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span> </div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span>    <span class="keywordtype">void</span> print(T t) {</div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span>        std::cout &lt;&lt; t &lt;&lt; std::endl;</div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span>    }</div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span> </div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span>    <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">typename</span> ...Args&gt;</div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span>    <span class="keywordtype">void</span> print(T t, Args...args) {</div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>        std::cout &lt;&lt; t &lt;&lt; std::endl;</div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span>        print(args...);</div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span>    }</div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span> </div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"><a class="line" href="class_printer.html#a935874c080d1915a2bda620164e1dde9">   98</a></span>    FUN_RET_TYPE <a class="code hl_function" href="class_printer.html#a935874c080d1915a2bda620164e1dde9">operator()</a>(FUN_ARGS...args)<span class="keyword"> override </span>{</div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span>        print(args...);</div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span>        FUN_RET_TYPE result = this-&gt;decorated_func(args...);</div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span>        <span class="keywordflow">return</span> result;</div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span>    }</div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>};</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span> </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="preprocessor">#endif </span><span class="comment">//TEAMCURRICULUMDESIGN_DECORATOR_H</span></div>
<div class="ttc" id="aclass_decorator_html"><div class="ttname"><a href="class_decorator.html">Decorator</a></div><div class="ttdoc">装饰器基类</div><div class="ttdef"><b>Definition:</b> Decorator.h:16</div></div>
<div class="ttc" id="aclass_decorator_html_a032f3839acef23c4081158aacd157f16"><div class="ttname"><a href="class_decorator.html#a032f3839acef23c4081158aacd157f16">Decorator::operator()</a></div><div class="ttdeci">virtual FUN_RET_TYPE operator()(FUN_ARGS...args)=0</div></div>
<div class="ttc" id="aclass_func_timer_html"><div class="ttname"><a href="class_func_timer.html">FuncTimer</a></div><div class="ttdoc">计时器</div><div class="ttdef"><b>Definition:</b> Decorator.h:43</div></div>
<div class="ttc" id="aclass_func_timer_html_ab6413cfda5c480c1341cd4a67f5cbd16"><div class="ttname"><a href="class_func_timer.html#ab6413cfda5c480c1341cd4a67f5cbd16">FuncTimer::operator()</a></div><div class="ttdeci">FUN_RET_TYPE operator()(FUN_ARGS...args) override</div><div class="ttdef"><b>Definition:</b> Decorator.h:56</div></div>
<div class="ttc" id="aclass_printer_html"><div class="ttname"><a href="class_printer.html">Printer</a></div><div class="ttdoc">打印器</div><div class="ttdef"><b>Definition:</b> Decorator.h:80</div></div>
<div class="ttc" id="aclass_printer_html_a935874c080d1915a2bda620164e1dde9"><div class="ttname"><a href="class_printer.html#a935874c080d1915a2bda620164e1dde9">Printer::operator()</a></div><div class="ttdeci">FUN_RET_TYPE operator()(FUN_ARGS...args) override</div><div class="ttdef"><b>Definition:</b> Decorator.h:98</div></div>
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